GitLab

ThemeProperties::COLOR_BOOKMARK_BAR_INSTRUCTIONS_TEXT is no longer in use,
because BookmarkBarInstructionView is removed. However, it still remains,
so it is cleaned up.

Bug: NONE
Change-Id: I7ce14646fafaf07fc426aa96d1b4dab073b51ca4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1506679Reviewed-by: Peter Kasting <pkasting@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#638639}